20627216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{16319}}^1$

素因数の和:16406

約数の個数: 20

約数和(自身を含む): 40473600

約数和(自身を除く): 19846384

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 16319, 32638, 65276, 130552, 261104, 1289201, 2578402, 5156804, 10313608, 20627216]

約数ペア:

[(1, 20627216), (2, 10313608), (4, 5156804), (8, 2578402), (16, 1289201), (79, 261104), (158, 130552), (316, 65276), (632, 32638), (1264, 16319)]